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QuadTerm

A quadratic term. More...

#include <xpress_objects.hpp>

Inheritance diagram for xpress::objects::QuadTerm:
xpress::objects::AbstractExpression xpress::objects::Expression

Public Member Functions
  QuadTerm (xpress::objects::Variable variable1, xpress::objects::Variable variable2, double coefficient)
  Create a term.
 
virtual auto  div (double arg) const -> xpress::objects::Expression override
  Create a expression that represents the quotient of this and arg.
Parameters
arg Divisor.
Returns
Quotient of this and arg.
Since
44.00

 
auto  div (xpress::objects::ConstantExpression arg) const -> xpress::objects::QuadTerm
  Create a expression that represents the quotient of this and arg.
 
virtual auto  div (xpress::objects::Expression arg) const -> xpress::objects::Expression override
  Create a expression that represents the quotient of this and arg.
Parameters
arg Divisor.
Returns
Quotient of this and arg.
Since
44.00

 
virtual auto  evaluate (xpress::SizedArray< double const > const &solution) const -> double override
  Compute the value of this expression with respect to the given solution vector (which is not required to be feasible).
Parameters
solution Solution values for which the expression is evaluated.
Returns
The value of this expression evaluated at solution.
Since
44.00

 
auto  getCoefficient () const -> double
  The coefficient for variable in this term [get].
 
auto  getVariable1 () const -> xpress::objects::Variable
  The first variable in the term [get].
 
auto  getVariable2 () const -> xpress::objects::Variable
  The second variable in the term [get].
 
auto  mul (ConstantExpression arg) const -> xpress::objects::QuadTerm
  Create a expression that represents the product of this and arg.
 
virtual auto  mul (double arg) const -> xpress::objects::Expression override
  Create a expression that represents the product of this and arg.
Parameters
arg Factor.
Returns
Product of this and arg.
Since
44.00

 
virtual auto  mul (xpress::objects::Expression arg) const -> xpress::objects::Expression override
  Create a expression that represents the product of this and arg.
Parameters
arg Factor.
Returns
Product of this and arg.
Since
44.00

 
virtual auto  toString () const -> std::string override
  Get a string representation of this expression.
Returns
A string representing this expression.
Since
44.00

 
virtual auto  uminus () const -> xpress::objects::Expression override
  Create a expression that represents the unary minus of this one.
Returns
Expression representing -this.
Since
44.00

 
 Public Member Functions inherited from xpress::objects::AbstractExpression
virtual auto  eq (double rhs) const -> xpress::objects::InequalityDefinition override
  Create an "equals" constraint with this expression as left-hand side.
Parameters
rhs Right-hand side of constraint.
Returns
The constraint.
Since
44.00

 
virtual auto  eq (Expression const &rhs) const -> xpress::objects::InequalityDefinition override
  Create an "equals" constraint with this expression as left-hand side.
Parameters
rhs Right-hand side of constraint.
Returns
The constraint.
Since
44.00

 
virtual auto  geq (double rhs) const -> xpress::objects::InequalityDefinition override
  Create a "greater than or equal" constraint with this expression as left-hand side.
Parameters
rhs Right-hand side of constraint.
Returns
The constraint.
Since
44.00

 
virtual auto  geq (Expression const &rhs) const -> xpress::objects::InequalityDefinition override
  Create a "greater than or equal" constraint with this expression as left-hand side.
Parameters
rhs Right-hand side of constraint.
Returns
The constraint.
Since
44.00

 
virtual auto  in (double lb, double ub) -> xpress::objects::InequalityDefinition override
  Create a range constraint that bounds this expression from below and above.
Parameters
lb Lower bound for this expression.
ub Upper bound for this expression.
Returns
The constraint.
Since
44.00

 
virtual auto  leq (double rhs) const -> xpress::objects::InequalityDefinition override
  Create a "less than or equal" constraint with this expression as left-hand side.
Parameters
rhs Right-hand side of constraint.
Returns
The constraint.
Since
44.00

 
virtual auto  leq (Expression const &rhs) const -> xpress::objects::InequalityDefinition override
  Create a "less than or equal" constraint with this expression as left-hand side.
Parameters
rhs Right-hand side of constraint.
Returns
The constraint.
Since
44.00

 
 Public Member Functions inherited from xpress::objects::Expression
virtual auto  minus (double arg) const -> xpress::objects::Expression
  Create a expression that represents the difference of this and arg.
 
virtual auto  minus (xpress::objects::Expression arg) const -> xpress::objects::Expression
  Create a expression that represents the difference of this and arg.
 
virtual auto  plus (double arg) const -> xpress::objects::Expression
  Create a expression that represents the sum of this and arg.
 
virtual auto  plus (xpress::objects::Expression arg) const -> xpress::objects::Expression
  Create a expression that represents the sum of this and arg.
 

Static Public Member Functions
static auto  qTerm (xpress::objects::Variable variable1, xpress::objects::Variable variable2) -> xpress::objects::QuadTerm
  Convenience function to create a single quadratic term.
 
static auto  qTerm (xpress::objects::Variable variable1, xpress::objects::Variable variable2, double coefficient) -> xpress::objects::QuadTerm
  Convenience function to create a single quadratic term.
 
static auto  toString (xpress::objects::Variable v1, xpress::objects::Variable v2, double coef) -> std::string
  Convert a quadratic term to a string.
 

Detailed Description

A quadratic term.

Since
44.00

Constructor & Destructor Documentation

QuadTerm()

xpress::objects::QuadTerm::QuadTerm ( xpress::objects::Variable variable1,
xpress::objects::Variable variable2,
double coefficient )
inline

Create a term.

Parameters
variable1 First variable in the term.
variable2 Second variable in the term.
coefficient Coefficient for variable1 * variable2.
Since
44.00

Member Function Documentation

div() [1/3]

auto xpress::objects::QuadTerm::div ( double arg ) const -> xpress::objects::Expression
inlineoverridevirtual

Create a expression that represents the quotient of this and arg.

Parameters
arg Divisor.
Returns
Quotient of this and arg.
Since
44.00

Since
44.00

Reimplemented from xpress::objects::Expression.

div() [2/3]

auto xpress::objects::QuadTerm::div ( xpress::objects::ConstantExpression arg ) const -> xpress::objects::QuadTerm
inline

Create a expression that represents the quotient of this and arg.

Parameters
arg Divisor.
Returns
The expression.
Since
44.00

div() [3/3]

auto xpress::objects::QuadTerm::div ( xpress::objects::Expression arg ) const -> xpress::objects::Expression
inlineoverridevirtual

Create a expression that represents the quotient of this and arg.

Parameters
arg Divisor.
Returns
Quotient of this and arg.
Since
44.00

Since
44.00

Reimplemented from xpress::objects::Expression.

evaluate()

auto xpress::objects::QuadTerm::evaluate ( xpress::SizedArray< double const > const & solution ) const -> double
inlineoverridevirtual

Compute the value of this expression with respect to the given solution vector (which is not required to be feasible).

Parameters
solution Solution values for which the expression is evaluated.
Returns
The value of this expression evaluated at solution.
Since
44.00

Since
44.00

Reimplemented from xpress::objects::Expression.

getCoefficient()

auto xpress::objects::QuadTerm::getCoefficient ( ) const -> double
inline

The coefficient for variable in this term [get].

Since
44.00

getVariable1()

auto xpress::objects::QuadTerm::getVariable1 ( ) const -> xpress::objects::Variable
inline

The first variable in the term [get].

Since
44.00

getVariable2()

auto xpress::objects::QuadTerm::getVariable2 ( ) const -> xpress::objects::Variable
inline

The second variable in the term [get].

Since
44.00

mul() [1/3]

auto xpress::objects::QuadTerm::mul ( ConstantExpression arg ) const -> xpress::objects::QuadTerm
inline

Create a expression that represents the product of this and arg.

Parameters
arg Factor.
Returns
The expression.
Since
44.00

mul() [2/3]

auto xpress::objects::QuadTerm::mul ( double arg ) const -> xpress::objects::Expression
inlineoverridevirtual

Create a expression that represents the product of this and arg.

Parameters
arg Factor.
Returns
Product of this and arg.
Since
44.00

Since
44.00

Reimplemented from xpress::objects::Expression.

mul() [3/3]

auto xpress::objects::QuadTerm::mul ( xpress::objects::Expression arg ) const -> xpress::objects::Expression
inlineoverridevirtual

Create a expression that represents the product of this and arg.

Parameters
arg Factor.
Returns
Product of this and arg.
Since
44.00

Since
44.00

Reimplemented from xpress::objects::Expression.

qTerm() [1/2]

auto xpress::objects::QuadTerm::qTerm ( xpress::objects::Variable variable1,
xpress::objects::Variable variable2 ) -> xpress::objects::QuadTerm
inlinestatic

Convenience function to create a single quadratic term.

Creates the term 1 * variable1 * variable2.

Parameters
variable1 First variable for term.
variable2 Second variable for term.
Returns
The newly created term.
Since
44.00

qTerm() [2/2]

auto xpress::objects::QuadTerm::qTerm ( xpress::objects::Variable variable1,
xpress::objects::Variable variable2,
double coefficient ) -> xpress::objects::QuadTerm
inlinestatic

Convenience function to create a single quadratic term.

Parameters
variable1 First variable for term.
variable2 Second variable for term.
coefficient Coefficient for term.
Returns
The newly created term.
Since
44.00

toString() [1/2]

auto xpress::objects::QuadTerm::toString ( ) const -> std::string
inlineoverridevirtual

Get a string representation of this expression.

Returns
A string representing this expression.
Since
44.00

Since
44.00

Reimplemented from xpress::objects::Expression.

toString() [2/2]

auto xpress::objects::QuadTerm::toString ( xpress::objects::Variable v1,
xpress::objects::Variable v2,
double coef ) -> std::string
inlinestatic

Convert a quadratic term to a string.

Note that while the QuadTerm class does not allow XpressProblem::NULL_VARIABLE as either of the variables, this function allows those variables to indicate constant or linear terms.

Parameters
v1 First variable in quadratic term.
v2 Second variable in quadratic term.
coef Coeffcient for quadratic term.
Returns
String representation of coef*v1*v2.
Since
44.00

uminus()

auto xpress::objects::QuadTerm::uminus ( ) const -> xpress::objects::Expression
inlineoverridevirtual

Create a expression that represents the unary minus of this one.

Returns
Expression representing -this.
Since
44.00

Since
44.00

Reimplemented from xpress::objects::Expression.

The documentation for this class was generated from the following file:
  • xpress_objects.hpp
Parent Topic objects

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